Pipe or culvert.



M. LAGHMAN. PIPE 0R GULVERT. APPLICATION FILED FEB.27, 1911.

Patented N 01 12, 1912.

l '0 I 707 1% 60 i WITNESSES llVVE/VTOR ATTO. IVE) mansion LA'CHMAN, onNEW roan, N. r.

PIPE OB. CULVERT;

. Application filed February 27, 1911.

- Specification of Letters Patent.

Serial No. 611,197.

consists in certain peculiarities in the construction thereofsubstantially as herein-- after described and particularly pointed outin the subjoined claims.

The object of the invention is to provide a pipe or culvertofconstruction such that it may be economically produced and made insections greater than heretofore and which will be tight and. rigid.This object and others which will hereinafter appear, are accomplishedby the constructions shown in the accompanying drawings illustrative ofvarious specifically different GIIlbOdlments contemplated to be withinthe spirit of the invention and the scope of the subjoined claims.

In said drawingsi Figure 1 is a transverse section on the plane of'line1-1 of Fig. 2. Fig. 2 is'a plan or elevation of a cylindrical pipe orculvert, on a smaller scale than Fig. 1. Fig. 3 is a detailrepresentation showin adesirable form of the oints. Fig. 4 is a detailrepresentation of one form of band on collar which may be employed..Fig. 5 is a detail representation showing a difierent form of bandor'collar which may be employed. Fig. 6 is a sectionon the line 6 -6 ofFig. 5. Fig.

7 is a detail representation of a modified arrangement of parts at thejoint.

Similar-characters of reference designate corresponding parts in theseveral views.

In a general way it may be stated, that the pipe or culvert of thefpresent invention body composed o a series of sechas its 4 tions withlongitudinal reverted or flanged edges which are locked together byclips or bars which engage the flanges, the bars being held againstdisplacement and the body of the pipe being braced by bands or collarswhich encircle the same. These sections are of curved or'plane shapeas-desired, ac-

cording to the shapeof the pipe or culvert wl'ose'bodiels they form. Thepipe or culvert may be of any suitable cross-sectional shape,cylindrical bein herein illustrated as an example. The ho y sections arecomof the parts at one relation with each other.

paratively long and narrow, it being, in fact, an important purpose ofthe present invention so .to construct and combine the parts that asection of a pipe or culvert of a length and diameter which is notpracticable with previous constructions may be economically produced andsuccessfully used.

Sections of pipes or culverts, produced according to' the presentinvention, may be fifty or more feet in length, and withoutcross-joints,

Referring to Figs. 1 and 2 each of the longitudinal body-sections ismarked 10 and its flanged ends are marked 11, 11. These body-sectionsmay be of any suitable length and inthis particular exemplification theyare of shape such that six of them will form a cylinder, this being adesirable number of sections of which to produce such form. Theirflanges are turned back approximately into a plane parallel with that ofthe body. The contiguous flanges of each two adjacent body-sections areengaged with and locked together by a clip or bar which extendslongitudinally of the'pipe or culvert from end to end thereof. Threedifferent exemplary forms of these clips or bars are shown in Fig. 1.One form, marked 20 has its body formed with plane inner and outerwalls. .Another form, marked 30, has, its inner wall formed with alongitudinal protuberance or projection, marked 31, which occupies thespace between the diverging portions of the flangesll and closes saidspace, thereby making a tighter joint than the preceding form. The thirdform, marked 40, differs from the form marked 20 in that its outersurface isprovided'with a longitudinal rib, or a series ofprotuberances, marked 41, whose purpose Willhere inafter appear. Each ofthese clips comprises inwardly bent ends, marked 50 in all ofthefigures, which are spaced from the inner wall of its body and interlockwith the flanges 11 of the body-sections 10. In

practice the body-sections 10 are rolled in long lengths, and then theselected clips are slipped on longitudinally as the flanges 11 are'beingturned and they are then presse together, to form a'pipe having theelements described. Either before orv after the pressure operation justdescribed, whichever is preferred, the hereinbefo're referred to bandsor collars are forced onto the body of the pipe or culvert into aproperspaced Patented Nov. 12, 1912. i

Difierent exem- 1s a very plary forms of these bands or collars areshown. One form, marked 100 in'Fi s. l and :2 comprises a body, of planeform, aving its inner edge formed at intervals with a series ofapertures, 101, ivhose shape, position and number corresponds to theshape, position and number of the clips. This ring has its inner edgeengaged with the outer surface of the body-sections 10. Its aperturesare each so shaped as to provide inward projections 102, which extendunder the clips. By this construction any lateral displacement of theclipsis prevented, the wall of the pipe is braced and any tendency ofthe seams to open is effectively prevented. The ring or band indicatedin Fig. 4 and marked 200 is of T-bar form. Its web, 201, provided atintervals with apertures 202 for receiving the clips. overlies the outerWalls of the clips. This effective construction, and more over isdesirable in that its outer flange enables it to be readily andeconomically secured to the clip by electric welds. For the latterpurpose some or all of the clips on a pipe are preferably of the formshown at 40, the protuberances or longitudinal projections 41 ofthelatter forming projections through which the weld may be mostsatisfactorily and economically produced. It will be understood thatthis projecting part of the clip may be continuous or that the clip maybe formed with separated projections spaced apart at distancescorresponding to those of the rings.

In Fig. the ring or band, marked 300, is of simple hoop form. This ringmay be welded to one or more of the clips. as indicated in Fig. 5. Inthis figure the ring will not make contact with the outer surface of thebody-sections, but there is shown in Fig. 7 a correlation of partswhereby a ring or band of simple hoop form is in contact with the outersurface of the body-sections. In this form the ends of the body-sectionsare turned inward a distance such that the upper, reverted members oftheir flanges, marked 11, will lie sutiiciently belo the upper surfacesof the main portions of said sections to permit the clips to be in theplane or are of said upper surfaces ofthe latter. In other words, theends of the body-sections are turned down so as to form pockets whichaccommodate the clips, whereby a plane surface ring or band of hoop formwill span said pockets and will be in contact with the outer surfaces ofthe clips and with the outer surfaces of the body-sections. This band issecured to the clips by electric welds, at 11.

While welding projections are desirable they are not altogetheressential.

In all of the preceding forms the pipe or culvert. is of cylindricalform, but this is not essential, as the invention may be em- Its outerflange 203- bodied in many different shapes withoutdeparting from itsspirit or the scope of the subjoined claims.

While I have shown the longitudinal clips on the outside of the pipe orculvert, yet it is to be understood that the parts forming the same maybe so constructed that the clips may be on the inside of the pipe orculvert.

Having thus described the invention what is believedto be new anddesired to be secured by Letters Patent, is;

1. A pipe or culvert comprising bodysections whose longitudinal edgesare formed with reverted flanges, bars or clips, which connect theflanges of adjacent body sections with each other and have theirlongitudinal edges provided with inwardly extending flanges whichunderlie the reverted portions of the body-sections, said bars or clipsalso having inwardly-extending projections which fill the spaces betweenthe diverging portions of the flanges of the body sections.

2. A pipe or culvert comprising body sections having flanged or revertedlongitudinal edges, clips or bars extending longitudinally of the pipeor culvert and receiving the flanges of the latter and locking saidflanges together, and bands extending around the pipe or culvert, atintervals along the lengthof the latter, and engaging the clips or bars.

, 3. A pipe or culvert sections having flanged or reverted longitudinaledges, clips or bars extending longitudinally of the pipe or culvert andreceiving the flanges of the latter and locking said flanges together,and bands extending around the pipe or culvert, at intervals along thelength of the latter, and engaging the clips or bars, and integrallyunited to some of the latter.

4. A pipe or culvert comprising bodysections whose longitudinal edgesare flanged, bars or clips engaging the flanges and connecting other,and bands extending around the pipe or culvert, at intervals along thelength of the latter, and having apertures which accommodate the clipsor bars.

5. A pipe or culvert. comprising bodysect-ions having flangedlongitudinal edges, clips or bars which engage the flanges of adjacentbody-sections and connect the same with each other, and bands whichextend around the pipe or. culvert, at intervals along the length 0f thelatter, and are formed with apertures which accommodate the clips orbars, the mouths of saidapertnres being formed with inward projectionswhich underlie parts of the clips or bars.

6. A pipe or culvert comprising bodysections having flanged longitudinaledges,

t clips or bars which engage the flanges of comprising body-l adjacentsections to each.

adjacent body-sections and connect the same with each other, and bandswhich extend around the pipe or culvert, at intervals along the lengthof the latter, and are formed with apertures which accommodate the clipsor bars, the inner edges of the bands engaging the outer surfaces of thebody sections.

7. A pipe or culvert comprising bodysections having flanged longitudinaledges, clips or bars which engage the flanges of adjacent body-sectionsand connect the same with each other, and bands which extend around thepipe or culvert, at intervals along the'length of the latter, said bandshaving webs formed with apertures to accommodate the clips or bars andflanges to engage the outer surfaces of the latter.

8. A pipe or culvert comprising bodysections having flanged longitudinaledges, clips or bars which engage the flanges of adjacent body-section'sand connect the same with each other, one or moreof said clips or barshaving welding projections, an bands which extend around the pipe orculvert, at intervals along the length of the latter, and engage saidclips or bars and are integrally united to those of the latter whichhave welding projections.

9. A pipe or culvert comprising body-secl tions having flangedlongitudinal edges, clips or bars which engage the flanges of adjacentbody-sections and connect the same with each other, one or more of saidclips or bars having welding projections, and] bands which extend aroundthe pipe or culvert, at intervals along the length of the latter, saidbands having webs formed with apertures to accommodate the clips or barsand flanges which engage the outer surfaces of the latter and areintegrally united to those of the same which have welding projections.

10. A pipe or culvert comprising bodysections having inwardly-turnedlongitudinal flanges with reverted ends, clips or bars which engage thereverted ends of adjacent flanges and connect adjacent body-sectionswith each other and bands which extend around the pipe or culvert, atintervals along the length of the latter, and overlie the clips or bars.

11. A pipe or culvert comprising bodysections having inwardly-turnedlongitudinal flanges with reverted ends, clips or bars which engage thereverted ends of adjacent flanges and connect adjacent body-sectionswith each other and bands which extend around the pipe or culvert, atintervals along the length of the latter, and engage the outer surfacesof the bodysections and clips or bars and are secured to the latter byelectric welds. v

In witness whereof I have hereunto set my hand at the city. county andState of New York, this 24th day of February, 1911.

MAURICE LACHMAN. In presence of- Joint J. RANAGAN, AGNES C. OCoNNnLL.

